Walking with Estefanía "Tefi" Pessoa feels a lot like being a kite tugged expertly through the air. I know I'm safe, tethered to the ground in some way, but it still feels like she is leading me, alongside whatever other flurries of nature aid her. Perhaps you know Tefi from her multi-part series on pop culture moments, her advice column at The Cut, or one of her many, many viral TikToks. She's known for giving incredible big sister-esque advice. Chances are, if you know her, you love her. She posts anywhere from one to six videos on TikTok a day, ranging from fit checks (usually to Yo Gotti's “Down In the DM”) to pop culture explainers. She somehow finds the time to watch Rush Hour 2, loves both Cardi B and Nicki Minaj in equal measure, and interviews celebrities on red carpets. Pessoa seems to want to do it all and do it all well. She usually finds something long-forgotten or buried in the churn of social media gossip and explains it in a way that feels like she’s learning alongside ...